Immuneering Corp
IMRX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001790340
No open-market purchases or sales by Immuneering Corp insiders were filed in the last 90 days; 111 institutions reported holding it in 13F filings for Q2 2026, worth $171.6M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Immuneering Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Immuneering Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Gengos Andrew | Chief Financial Officer | – | Jul 17, 2026 | 1 |
| Zeskind Benjamin J. | PRESIDENT AND CEO | 2,315,252 | Jun 24, 2026 | 2 |
| Hall Brett Matthew | CHIEF SCIENTIFIC OFFICER | 382,531 | Jun 16, 2026 | 3 |
| Carpenter Robert J | Director | 1,148,839 | Jun 11, 2026 | 1 |
| Schall Thomas J. | Director | 74,530 | Jun 11, 2026 | 2 |
| Hausman Diana | Director | 3,000Indirect | Jun 11, 2026 | 1 |
| Keating Laurie | Director | 14,000 | Jun 11, 2026 | 2 |
| Feinberg Peter | Director | 135,441Indirect | Jun 11, 2026 | 6 |
| Neufeld Leah R | CHIEF PEOPLE OFFICER | 29,598 | Mar 17, 2026 | 4 |
| Matushansky Igor | Chief Medical Officer | – | Feb 5, 2026 | 1 |
| Bookman Michael | CHIEF LEGAL OFFICER, SECRETARY | 4,870 | Feb 5, 2026 | 2 |
| Morales Mallory | SVP Finance, CAO | 27,533 | Feb 5, 2026 | 2 |
| Brakewood Harold Eugene | Chief Business Officer | 11,050 | Feb 5, 2026 | 2 |
| Berman Ann E | Director | 67,465 | Jun 16, 2025 | 0 |
| Cormorant Asset Management, LP | 10% Owner | 2,895,273Indirect | Apr 3, 2024 | 0 |
| Chen Bihua | 10% Owner | 2,895,273Indirect | Apr 3, 2024 | 0 |
| Cormorant Global Healthcare Master Fund, LP | 10% Owner | 2,895,273Indirect | Apr 3, 2024 | 0 |
| Cormorant Private Healthcare Fund III LP | 10% Owner | 2,895,273Indirect | Apr 3, 2024 | 0 |
| Barrett Scott | CHIEF MEDICAL OFFICER | 7,563 | Feb 17, 2023 | 0 |
| Amin Biren | CFO, TREASURER | 7,898 | May 12, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2026 (view filing) | Jun 23 | 1 day | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +2.40K | $4.56 | +$10.9K | +0.1%2.32M after | |
| Jun 16, 2026 (view filing) | Jun 15 | 1 day | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +6.04K | $4.15 | +$25.0K | +1.6%382.5K after | |
| Jan 21, 2026 (view filing) | Jan 16 | 5 days | Brakewood Harold EugeneChief Business Officer | PPurchaseClass A Common Stock | +5.25K | $4.76 | +$25.0K | +90.5%11.1K after | |
| Jan 20, 2026 (view filing) | Jan 15 | 5 days | Schall Thomas J.Director | PPurchaseClass A Common Stock | +21.6K | $4.67 | +$101.1K | +40.9%74.5K after | |
| Jan 16, 2026 (view filing) | Jan 15 | 1 day | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +2.30K | $4.57 | +$10.5K | +0.6%376.5K after | |
| Jan 15, 2026 (view filing) | Jan 13 | 2 days | Neufeld Leah RCHIEF PEOPLE OFFICER | PPurchaseClass A Common Stock | +2.63K | $4.15 | +$10.9K | +11.2%26.0K after | |
| Jan 14, 2026 (view filing) | Jan 12 | 2 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +20.0K | $4.35 | +$87.0K | +17.3%135.4K after | |
| Oct 7, 2025 (view filing) | Oct 3 | 4 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +7.50K | $6.67 | +$50.0K | +5.0%156.8K after | |
| Oct 2, 2025 (view filing) | Oct 1 | 1 day | Morales MalloryChief Accounting Officer | PPurchaseClass A Common Stock | +300 | $6.39 | +$1.92K | +1.1%27.5K after | |
| Oct 2, 2025 (view filing) | Oct 1 | 1 day | Neufeld Leah RCHIEF PEOPLE OFFICER | PPurchaseClass A Common Stock | +800 | $6.38 | +$5.10K | +3.5%23.3K after | |
| Oct 2, 2025 (view filing) | Oct 1 | 1 day | Bookman MichaelCHIEF LEGAL OFFICER, SECRETARY | PPurchaseClass A Common Stock | +1.02K | $6.83 | +$6.97K | +26.5%4.87K after | |
| Oct 1, 2025 (view filing) | Sep 30 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +7.50K | $7.03 | +$52.7K | +5.3%149.3K after | |
| Sep 30, 2025 (view filing) | Sep 29 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +5.00K | $7.18 | +$35.9K | +3.7%141.8K after | |
| Jul 7, 2025 (view filing) | Jul 2 | 5 days | Hausman DianaDirector | PPurchaseClass A Common Stock | +2.50K | $3.60 | +$9.00K | New position2.50K after | |
| Jul 7, 2025 (view filing) | Jul 2 | 5 days | Hausman DianaDirector | PPurchaseClass A Common Stock | +3.00K | $3.62 | +$10.9K | New position3.00K after | |
| Jul 7, 2025 (view filing) | Jul 2 | 5 days | Neufeld Leah RCHIEF PEOPLE OFFICER | PPurchaseClass A Common Stock | +700 | $3.57 | +$2.50K | +7.0%10.7K after | |
| Jul 3, 2025 (view filing) | Jul 1-2 | 2 days | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +10.0K | $3.49 | +$34.9K | +0.4%2.31M after | 2 lots |
| Jun 30, 2025 (view filing) | Jun 27 | 3 days | Schall Thomas J.Director | PPurchaseClass A Common Stock | +9.50K | $3.66 | +$34.8K | +21.9%52.9K after | |
| Jun 24, 2025 (view filing) | Jun 20-23 | 4 days | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +13.4K | $2.58 | +$34.6K | +3.9%359.3K after | 2 lots |
| Jun 24, 2025 (view filing) | Jun 20 | 4 days | Brakewood Harold EugeneChief Business Officer | PPurchaseClass A Common Stock | +1.90K | $2.53 | +$4.81K | +48.7%5.80K after | |
| Jun 23, 2025 (view filing) | Jun 18 | 5 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +25.0K | $2.53 | +$63.3K | +22.4%136.8K after | |
| Jun 20, 2025 (view filing) | Jun 18 | 2 days | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +21.0K | $2.39 | +$50.2K | +0.9%2.30M after | |
| Jun 18, 2025 (view filing) | Jun 17 | 1 day | Schall Thomas J.Director | PPurchaseClass A Common Stock | +40.5K | $2.21 | +$89.5K | +1,396.0%43.4K after | |
| Apr 3, 2024 (view filing)5:37 PM ET | Apr 1 | 2 days | Cormorant Asset Management, LP and 3 others10% Owner | SSaleClass A Common Stock | −400.0K | $2.90 | −$1.16M | −12.1%2.90M after | 8 lots |
| Mar 25, 2024 (view filing) | Mar 22 | 3 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +25.0K | $2.55 | +$63.8K | +28.8%111.8K after | |
| Mar 25, 2024 (view filing) | Mar 22 | 3 days | Brakewood Harold EugeneChief Business Officer | PPurchaseClass A Common Stock | +3.90K | $2.57 | +$10.0K | New position3.90K after | |
| Mar 25, 2024 (view filing) | Mar 21-22 | 4 days | Morales MalloryChief Accounting Officer | PPurchaseClass A Common Stock | +1.50K | $2.68 | +$4.01K | +22.1%8.28K after | 2 lots |
| Mar 25, 2024 (view filing) | Mar 22 | 3 days | Schall Thomas J.Director | PPurchaseClass A Common Stock | +2.90K | $2.55 | +$7.39K | New position2.90K after | |
| Mar 21, 2024 (view filing) | Mar 20 | 1 day | Neufeld Leah RCHIEF PEOPLE OFFICER | PPurchaseClass A Common Stock | +3.82K | $2.88 | +$11.0K | +61.5%10.0K after | |
| Mar 21, 2024 (view filing) | Mar 20 | 1 day | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +7.00K | $2.86 | +$20.0K | +2.1%345.9K after | |
| Mar 19, 2024 (view filing) | Mar 18 | 1 day | Berman Ann EDirector | PPurchaseClass A Common Stock | +58.0K | $2.13 | +$123.5K | +610.2%67.5K after | |
| Mar 19, 2024 (view filing) | Mar 18-19 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +75.0K | $2.44 | +$183.2K | +637.4%86.8K after | 3 lots |
| Mar 19, 2024 (view filing) | Mar 19 | Same day | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +20.0K | $2.77 | +$55.4K | +0.9%2.28M after | |
| Mar 18, 2024 (view filing)5:59 PM ET | Mar 14-15 | 4 days | Cormorant Asset Management, LP and 3 others10% Owner | SSaleClass A Common Stock | −909.1K | $3.02 | −$2.75M | −21.6%3.30M after | 5 lots |
| May 27, 2022 (view filing) | May 25 | 2 days | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +2.55K | $3.92 | +$10.0K | +0.8%332.7K after | |
| May 18, 2022 (view filing) | May 17 | 1 day | Bookman MichaelGENERAL COUNSEL AND SECRETARY | PPurchaseClass A Common Stock | +1.00K | $4.88 | +$4.88K | +71.3%2.40K after | |
| May 17, 2022 (view filing) | May 16 | 1 day | Keating LaurieDirector | PPurchaseClass A Common Stock | +7.00K | $5.00 | +$35.0K | +100.0%14.0K after | |
| May 12, 2022 (view filing) | May 12 | Same day | Amin BirenCFO, TREASURER | PPurchaseClass A Common Stock | +1.00K | $4.42 | +$4.42K | +14.5%7.90K after | |
| Mar 24, 2022 (view filing) | Mar 23 | 1 day | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +3.00K | $8.02 | +$24.1K | +0.1%2.26M after | |
| Mar 23, 2022 (view filing) | Mar 23 | Same day | Hall Brett MatthewCHIEF SCIENTIFIC OFFICER | PPurchaseClass A Common Stock | +1.05K | $7.91 | +$8.31K | +0.3%330.1K after | |
| Mar 22, 2022 (view filing) | Mar 22 | Same day | Barrett ScottCHIEF MEDICAL OFFICER | PPurchaseClass A Common Stock | +900 | $7.49 | +$6.74K | +13.5%7.56K after | |
| Mar 16, 2022 (view filing) | Mar 15 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +6.67K | $6.75 | +$45.0K | +130.8%11.8K after | |
| Mar 15, 2022 (view filing) | Mar 15 | Same day | Berman Ann EDirector | PPurchaseClass A Common Stock | +6.00K | $6.40 | +$38.4K | +171.4%9.50K after | |
| Sep 21, 2021 (view filing) | Sep 20 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +4.75K | $24.45 | +$116.1K | +1,361.0%5.10K after | |
| Sep 15, 2021 (view filing) | Sep 13 | 2 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +5.75K | $21.51 | +$123.7K | +1.5%392.2K after | |
| Sep 15, 2021 (view filing) | Sep 13 | 2 days | Feinberg PeterDirector | PPurchaseClass A Common Stock | +349 | $21.25 | +$7.42K | New position349 after | |
| Sep 14, 2021 (view filing) | Sep 13 | 1 day | Zeskind Benjamin J.PRESIDENT AND CEO | PPurchaseClass A Common Stock | +2.08K | $22.87 | +$47.6K | +0.1%2.60M after | |
| Aug 5, 2021 (view filing)4:01 PM ET | Aug 3 | 2 days | Cormorant Asset Management, LP and 3 othersOther: Former 10% Owner | PPurchase | +550.0K | $15.00 | +$8.25M | +32.3%2.25M after | |
| Aug 4, 2021 (view filing) | Aug 3 | 1 day | Feinberg PeterDirector | PPurchaseClass A Common Stock | +291.7K | $15.00 | +$4.38M | New position115.4K after | 3 lots |
| Aug 4, 2021 (view filing) | Aug 3 | 1 day | Zeskind Benjamin J.President and CEO | PPurchaseClass A Common Stock | +2.10K | $15.00 | +$31.5K | +0.1%2.60M after |